Bump actions/cache from 3 to 4 #182

	name: CI

	on:
	push:
	branches: [ main ]
	pull_request:
	workflow_dispatch:

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	markdownlint-cli:
	name: Lint markdown
	runs-on: ubuntu-latest
	steps:
	- name: Checkout Code
	uses: actions/checkout@v4
	- name: Run markdownlint-cli
	uses: nosborn/github-action-markdown-cli@v3.3.0
	with:
	files: .
	config_file: ".markdownlint.yaml"

	test:
	needs: [markdownlint-cli]
	runs-on: ubuntu-latest
	name: PHP ${{ matrix.php-version }}
	strategy:
	matrix:
	php-version:
	- '7.3'
	- '7.4'
	- '8.0'
	- '8.1'
	steps:
	- name: Set up PHP
	uses: shivammathur/setup-php@6d7209f44a25a59e904b1ee9f3b0c33ab2cd888d
	with:
	php-version: ${{ matrix.php-version }}
	- uses: actions/checkout@v4
	- name: Validate composer.json and composer.lock
	run: composer validate --strict
	- name: Cache Composer packages
	id: composer-cache
	uses: actions/cache@v4
	with:
	path: vendor
	key: ${{ runner.os }}-php-${{ hashFiles('**/composer.lock') }}
	restore-keys: \|
	${{ runner.os }}-php-
	- name: Install dependencies
	run: composer install --prefer-dist --no-progress
	- run: vendor/bin/phpunit --coverage-clover=coverage.xml

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